20228527900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{589753}}^1$

素因数の和:589788

約数の個数: 72

約数和(自身を含む): 51190647200

約数和(自身を除く): 30962119300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 3430, 4900, 6860, 8575, 17150, 34300, 589753, 1179506, 2359012, 2948765, 4128271, 5897530, 8256542, 11795060, 14743825, 16513084, 20641355, 28897897, 29487650, 41282710, 57795794, 58975300, 82565420, 103206775, 115591588, 144489485, 202285279, 206413550, 288978970, 404570558, 412827100, 577957940, 722447425, 809141116, 1011426395, 1444894850, 2022852790, 2889789700, 4045705580, 5057131975, 10114263950, 20228527900]

約数ペア:

[(1, 20228527900), (2, 10114263950), (4, 5057131975), (5, 4045705580), (7, 2889789700), (10, 2022852790), (14, 1444894850), (20, 1011426395), (25, 809141116), (28, 722447425), (35, 577957940), (49, 412827100), (50, 404570558), (70, 288978970), (98, 206413550), (100, 202285279), (140, 144489485), (175, 115591588), (196, 103206775), (245, 82565420), (343, 58975300), (350, 57795794), (490, 41282710), (686, 29487650), (700, 28897897), (980, 20641355), (1225, 16513084), (1372, 14743825), (1715, 11795060), (2450, 8256542), (3430, 5897530), (4900, 4128271), (6860, 2948765), (8575, 2359012), (17150, 1179506), (34300, 589753)]